Atlantis survivor Mark Harris breathes underwater, withstands extreme depth pressures and wields superhuman strength.
1977-09-22
1977-10-13
1977-10-18
1977-10-25
1977-11-01
1977-11-08
1977-11-22
1977-12-06
1977-12-13
1978-04-18
1978-04-25
1978-05-02
1978-06-06
as Mark Harris
as Dr. Elizabeth Merrill
as Dr. Crawford
4 Episodes · 1977
13 Episodes · 1977
